<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <base href="http://localhost:8080/07_servlet/a/b/c.html">
</head>
<body>
这是a下的b下的c.html页面</br>
<a href="http:../../index.html">跳回首页</a>
</body>
</html>